# ================================ ROM ================================
# ROM bits <= 4K; Data width <= 16; Address width <= 11: -> SB_RAM40_4K

## With parameters

design -reset; read_verilog -defer ../common/blockrom.v
chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 8 sync_rom
hierarchy -top sync_rom
synth_ice40 -top sync_rom; cd sync_rom
select -assert-count 0 t:SB_RAM40_4K # too inefficient
select -assert-min 1 t:SB_LUT4

design -reset; read_verilog -defer ../common/blockrom.v
chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 8 sync_rom
hierarchy -top sync_rom
setattr -set syn_romstyle "ebr" m:memory
synth_ice40 -top sync_rom; cd sync_rom
select -assert-count 1 t:SB_RAM40_4K

design -reset; read_verilog -defer ../common/blockrom.v
chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 8 sync_rom
hierarchy -top sync_rom
setattr -set rom_block 1 m:memory
synth_ice40 -top sync_rom; cd sync_rom
select -assert-count 1 t:SB_RAM40_4K

design -reset; read_verilog -defer ../common/blockrom.v
chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 8 sync_rom
hierarchy -top sync_rom
setattr -set syn_romstyle "logic" m:memory
synth_ice40 -top sync_rom; cd sync_rom
select -assert-count 0 t:SB_RAM40_4K # requested LUTROM explicitly
select -assert-min 1 t:SB_LUT4

design -reset; read_verilog -defer ../common/blockrom.v
chparam -set ADDRESS_WIDTH 2 -set DATA_WIDTH 8 sync_rom
hierarchy -top sync_rom
setattr -set logic_block 1 m:memory
synth_ice40 -top sync_rom; cd sync_rom
select -assert-count 0 t:SB_RAM40_4K # requested LUTROM explicitly
select -assert-min 1 t:SB_LUT4